<template>
  <div id="app">
    <div class="header">
      <router-link to="/list" class="header-title">电商网站示例</router-link>
      <div class="header-menu">
        <router-link to="/cart" class="header-menu-cart">
          购物车
          <span v-if="cartList.length">{{ cartList.length }}</span>
        </router-link>
      </div>
    </div>
    <router-view />
  </div>
</template>

<script>

export default {
  name: 'ShoppingApp',
  computed: {
    cartList() {
      return this.$store.state.cartList;
    }
  }
};
</script>

<style>
/* #app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}

nav {
  padding: 30px;
}

nav a {
  font-weight: bold;
  color: #2c3e50;
}

nav a.router-link-exact-active {
  color: #42b983;
} */
</style>
